CN210756594U - Vertical machining clamp for vertical shock absorber seat - Google Patents

Vertical machining clamp for vertical shock absorber seat Download PDF

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Publication number
CN210756594U
CN210756594U CN201921653092.8U CN201921653092U CN210756594U CN 210756594 U CN210756594 U CN 210756594U CN 201921653092 U CN201921653092 U CN 201921653092U CN 210756594 U CN210756594 U CN 210756594U
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CN
China
Prior art keywords
vertical
shock absorber
support frame
vertical shock
absorber seat
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Active
Application number
CN201921653092.8U
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Chinese (zh)
Inventor
王禹
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Jinzhou Jietong Railway Machinery Co ltd
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Jinzhou Jietong Railway Machinery Co ltd
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Abstract

The vertical machining clamp for the vertical shock absorber seat comprises a bottom plate, wherein a primary machining clamp and a secondary machining clamp are arranged on the bottom plate; the primary processing fixture comprises a front support frame and a rear support frame which are arranged on a bottom plate, wherein a convex block is arranged in the middle of the top end of the front support frame, the left side wall and the right side wall of the convex block are respectively provided with a transverse jackscrew which moves left and right, two sides of the top end of the front support frame are provided with first oil cylinders which are oppositely arranged, a vertical stop iron is arranged on a base and positioned behind the rear support frame, and a second oil cylinder which points to the stop iron is arranged on the base and positioned between the; the secondary processing fixture comprises a horizontal positioning table arranged on the bottom plate and two vertical positioning pins arranged on the top surface of the horizontal positioning table, and pressing arms which move up and down are respectively arranged on the left side, the right side and the rear side of the horizontal positioning table. The positioning and clamping operation of the vertical shock absorber seat can be simple, time and labor are saved, and the processing efficiency is improved; and the vertical shock absorber seat can be firmly clamped, the machining precision of the vertical shock absorber seat is improved, and the product percent of pass is improved.

Description

Vertical machining clamp for vertical shock absorber seat
Technical Field
The utility model relates to a vertical shock absorber seat in the motor car bogie especially relates to a vertical processing anchor clamps of vertical shock absorber seat.
Background
The vertical shock absorber seat is an important component in a motor train bogie, and the vertical shock absorber seat needs to be clamped and fixed on a numerical control machine tool operation platform in the machining process of the vertical shock absorber seat. The traditional vertical shock absorber seat clamping and fixing mode is as follows: firstly, determining a datum line of the vertical shock absorber seat through manual marking and correcting, then supporting the vertical shock absorber seat on a numerical control machine tool operating platform by using sizing blocks with equal height, finally fastening bolts on the numerical control machine tool operating platform, and fixing the vertical shock absorber seat by clamping by using a pressing plate connected with the bolts. The traditional vertical shock absorber seat is complex in positioning and clamping operation, time-consuming and labor-consuming, and low in machining efficiency; and the clamping structure for clamping the vertical shock absorber seat by the pressing plate is not firm through the fastening bolt, so that the vertical shock absorber seat is not accurately machined, and the product percent of pass is low.
Disclosure of Invention
The utility model provides a vertical processing clamp for a vertical shock absorber bearing, which can simplify the positioning and clamping operation of the vertical shock absorber bearing, save time and labor and improve the processing efficiency; and the vertical shock absorber seat can be firmly clamped, the machining precision of the vertical shock absorber seat is improved, and the product percent of pass is improved.
The technical solution of the utility model is that:
vertical processing anchor clamps of vertical shock absorber seat, including the bottom plate, its special character lies in: a primary processing clamp and a secondary processing clamp are arranged on the bottom plate; the primary processing fixture comprises a front support frame and a rear support frame which are arranged on a bottom plate and have the same height, a convex block is arranged in the middle of the top end of the front support frame, transverse jackscrews moving left and right are respectively installed on the left side wall and the right side wall of the convex block through threads, first oil cylinders are arranged on two sides of the top end of the front support frame, piston rods of the two first oil cylinders are arranged oppositely, a vertical stop iron is arranged on the base behind the rear support frame, a second oil cylinder is arranged on the base between the front support frame and the rear support frame, and a piston rod of the second oil cylinder points; the secondary processing fixture comprises a horizontal positioning table arranged on the bottom plate, two vertical positioning pins are arranged on the top surface of the horizontal positioning table, and pressing arms moving up and down are respectively arranged on the left side, the right side and the rear side of the horizontal positioning table.
Preferably, a bayonet is arranged at the top end of the rear support frame, and the rear end of the vertical shock absorber seat is clamped in the bayonet during the front processing operation of the vertical shock absorber seat.
Preferably, a vertical jackscrew is installed between the lug and the first oil cylinder at the top end of the front support frame through threads, and the vertical jackscrew is adjusted to enable the top end of the vertical jackscrew to be equal to the bottom edge of the bayonet of the rear support frame in height.
Further preferably, a lock nut is installed on the transverse jackscrew, and the lock nut is fastened to fix the transverse jackscrew so as to prevent the transverse jackscrew from loosening.
Preferably, the top of the stop iron is provided with a push rod pointing to the front, and when the front of the vertical shock absorber seat is processed, the piston rod of the second oil cylinder pushes the vertical shock absorber seat against the front end of the push rod.
Preferably, the left side, the right side and the rear side of the horizontal positioning table are respectively provided with a third oil cylinder which is vertically arranged, a connecting rod is hinged to the side, close to the horizontal positioning table, of a cylinder body of the third oil cylinder, the tail end of the pressure arm is hinged to a piston rod of the third oil cylinder, and the middle of the pressure arm is hinged to the free end of the connecting rod.
The utility model has the advantages that:
1. when the vertical shock absorber seat is clamped on the front side, firstly, the front end of the vertical shock absorber seat is seated on the front support frame, and the rear end of the vertical shock absorber seat is seated on the rear support frame for horizontal positioning; then synchronously starting piston rods of the two first oil cylinders, synchronously clamping the left side and the right side of the vertical shock absorber seat, and abutting the two transverse jacking wires against the inner walls of the left side and the right side of the front end of the vertical shock absorber seat for left-right positioning and clamping; then, starting a second oil cylinder, pushing the vertical shock absorber seat backwards to abut against the front end face of the vertical stop iron, and carrying out front-back positioning and clamping; the front positioning and clamping operation of the vertical shock absorber seat is simple, time-saving and labor-saving, and the machining efficiency is high; and the first oil cylinder and the second oil cylinder are firm in clamping structure for clamping the vertical shock absorber seat, the vertical shock absorber seat is accurate in processing, and the product percent of pass is high.
2. When the vertical shock absorber seat is clamped on the reverse side, firstly, a reverse seat of the vertical shock absorber seat is arranged on the top surface of a horizontal positioning platform, so that the bottom surface of the vertical shock absorber seat which is arranged upwards is in a horizontal state, horizontal positioning is carried out, and meanwhile, two vertical positioning pins penetrate through two corresponding mounting holes in the vertical shock absorber seat to carry out front-back left-right positioning; then starting a third oil cylinder to press the free ends of the three pressure arms downwards, and tightly pressing the vertical shock absorber seat on the horizontal positioning table; the reverse side positioning and clamping operation of the vertical shock absorber seat is simple, time-saving and labor-saving, and the processing efficiency is high; and the clamping structure of the three pressure arms for clamping the vertical shock absorber seat is firm, the vertical shock absorber seat is accurately machined, and the product percent of pass is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the clamping structure of the present invention with a vertical shock absorber seat;
in the figure: 1-bottom plate, 2-front support frame, 3-rear support frame, 4-lug, 5-transverse jackscrew, 6-locking nut, 7-first oil cylinder, 8-vertical jackscrew, 9-bayonet, 10-vertical stop iron, 11-ejector rod, 12-second oil cylinder, 13-horizontal positioning table, 14-vertical positioning pin, 15-third oil cylinder, 16-pressing arm and 17-connecting rod.
Detailed Description
As shown in fig. 1, the vertical machining fixture for the vertical shock absorber bearing comprises a bottom plate 1, wherein a primary machining fixture and a secondary machining fixture are arranged on the bottom plate 1; the primary processing fixture comprises a front support frame 2 and a rear support frame 3 which are arranged on a bottom plate 1, a convex block 4 is arranged in the middle of the top end of the front support frame 2, the left side wall and the right side wall of the lug 4 are respectively provided with a transverse jackscrew 5 which moves left and right through threads, a lock nut 6 is arranged on the transverse jackscrew 5, the two sides of the top end of the front supporting frame 2 are provided with first oil cylinders 7, the piston rods of the two first oil cylinders 7 are arranged oppositely, a vertical jackscrew 8 is arranged between the lug 4 and the first oil cylinder 7 at the top end of the front support frame 2 through threads, a bayonet 9 is arranged at the top end of the rear supporting frame 3, the bottom edge of the bayonet 9 is equal to the top end of the vertical jackscrew 8, a vertical stop iron 10 is arranged on the base behind the rear supporting frame 3, a push rod 11 pointing to the front is arranged on the top of the stop iron, a second oil cylinder 12 is arranged on the base between the front support frame 2 and the rear support frame 3, and a piston rod of the second oil cylinder 12 points to the ejector rod 11; the secondary processing fixture comprises a horizontal positioning table 13 installed on the bottom plate 1, two vertical positioning pins 14 are arranged on the top surface of the horizontal positioning table 13, vertically arranged third oil cylinders 15 are respectively installed on the left side, the right side and the rear side of the horizontal positioning table 13, a pressing arm 16 is hinged to the top end of a piston rod of each third oil cylinder 15 through a pin shaft, the pressing arm 16 points to the horizontal positioning table 13, and a connecting rod 17 is connected between the middle of the pressing arm 16 and a cylinder body of each third oil cylinder 15 through a pin shaft.
As shown in fig. 2, when the vertical shock absorber seat is clamped on the front side, firstly, the front end of the vertical shock absorber seat is seated on the vertical jackscrew 8 of the front support frame 2, and the rear end of the vertical shock absorber seat is seated in the bayonet 9 of the rear support frame 3, so as to perform horizontal positioning; then synchronously starting piston rods of two first oil cylinders 7, synchronously clamping the left side and the right side of the vertical shock absorber seat, abutting two transverse jackscrews 5 against the inner walls of the left side and the right side of the front end of the vertical shock absorber seat, fastening a locking nut 6, and performing left-right positioning and clamping; then the second oil cylinder 12 is started, the vertical shock absorber seat is pushed backwards to abut against the front end face of the ejector rod 11 on the vertical stop iron 10, and front and back positioning and clamping are carried out; and finally, starting the numerical control machine tool to process the front surface of the vertical shock absorber seat which is arranged upwards.
When the vertical shock absorber seat is clamped on the reverse side, firstly, a reverse seat of the vertical shock absorber seat is arranged on the top surface of a horizontal positioning platform, so that the bottom surface of the vertical shock absorber seat which is arranged upwards is in a horizontal state, horizontal positioning is carried out, and meanwhile, two vertical positioning pins 14 penetrate through two corresponding mounting holes in the vertical shock absorber seat to carry out front-back positioning and left-right positioning; then, starting a third oil cylinder 15 to press the free ends of three pressure arms 16 downwards, and tightly pressing the vertical shock absorber seat on the horizontal positioning table 13; and finally, starting the numerical control machine tool to process the bottom surface of the vertical shock absorber seat which is arranged upwards.
The above description is only an example of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Vertical processing anchor clamps of vertical shock absorber bearing, including the bottom plate, its characterized in that: a primary processing clamp and a secondary processing clamp are arranged on the bottom plate; the primary processing fixture comprises a front support frame and a rear support frame which are arranged on a bottom plate and have the same height, a convex block is arranged in the middle of the top end of the front support frame, transverse jackscrews moving left and right are respectively installed on the left side wall and the right side wall of the convex block through threads, first oil cylinders are arranged on two sides of the top end of the front support frame, piston rods of the two first oil cylinders are arranged oppositely, a vertical stop iron is arranged on the base behind the rear support frame, a second oil cylinder is arranged on the base between the front support frame and the rear support frame, and a piston rod of the second oil cylinder points; the secondary processing fixture comprises a horizontal positioning table arranged on the bottom plate, two vertical positioning pins are arranged on the top surface of the horizontal positioning table, and pressing arms moving up and down are respectively arranged on the left side, the right side and the rear side of the horizontal positioning table.
2. The vertical machining fixture for the vertical shock absorber bearing seat according to claim 1, characterized in that: a bayonet is arranged at the top end of the rear support frame.
3. The vertical machining fixture for the vertical shock absorber bearing seat according to claim 1, characterized in that: and a vertical jackscrew is arranged between the convex block and the first oil cylinder at the top end of the front support frame through threads.
4. The vertical machining fixture for the vertical shock absorber bearing seat according to claim 1, characterized in that: and a lock nut is arranged on the transverse jackscrew.
5. The vertical machining fixture for the vertical shock absorber bearing seat according to claim 1, characterized in that: and a push rod pointing forwards is arranged at the top of the stop iron.
6. The vertical machining fixture for the vertical shock absorber bearing seat according to claim 1, characterized in that: the left side, the right side and the rear side of the horizontal positioning table are respectively provided with a third oil cylinder which is vertically arranged, a connecting rod is hinged to the side, close to the horizontal positioning table, of a cylinder body of the third oil cylinder, the tail end of the pressure arm is hinged to a piston rod of the third oil cylinder, and the middle of the pressure arm is hinged to the free end of the connecting rod.
CN201921653092.8U 2019-09-30 2019-09-30 Vertical machining clamp for vertical shock absorber seat Active CN210756594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921653092.8U CN210756594U (en) 2019-09-30 2019-09-30 Vertical machining clamp for vertical shock absorber seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921653092.8U CN210756594U (en) 2019-09-30 2019-09-30 Vertical machining clamp for vertical shock absorber seat

Publications (1)

Publication Number Publication Date
CN210756594U true CN210756594U (en) 2020-06-16

Family

ID=71056719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921653092.8U Active CN210756594U (en) 2019-09-30 2019-09-30 Vertical machining clamp for vertical shock absorber seat

Country Status (1)

Country Link
CN (1) CN210756594U (en)

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